Tray stand



FIG. 1 is a top view thereof of a tray stand showing my new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a perspective view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a side view thereof; and,

FIG. 7 is a another side view thereof. 

The ornamental design for a tray stand, as shown and described. 